(57) A system for editing the hierarchical tree structure which is created by a block
selection system to correspond to a block template of a document image, wherein the
hierarchical tree structure includes a plurality of nodes, each of which represents
a block of image data in the block template of a document image and contains feature
data defining features of the block of image data. The system operates to download
from memory the hierarchical tree structure, generate and display a block template
of a document image corresponding to the hierarchical tree structure in memory, select
a block of image data to be edited in the block template of a document image, edit
the selected block of image data and update the feature data in a node corresponding
to the selected block of image data. The system determines whether the remaining feature
data in the node has been affected by updated feature data, and, if so, the remaining
feature data is altered to appropriately reflect the new feature of the selected block
of image data. The system also determines whether any of the features of the remaining
nodes have been affected by the new feature of the selected block of image data, and,
if so, feature data in the affected nodes are appropriately altered to reflect the
new features of its corresponding block of image data.
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